/src/glib/gio/gdbusinterface.c
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1 | | /* GDBus - GLib D-Bus Library |
2 | | * |
3 | | * Copyright (C) 2008-2010 Red Hat, Inc. |
4 | | * |
5 | | * SPDX-License-Identifier: LGPL-2.1-or-later |
6 | | * |
7 | | * This library is free software; you can redistribute it and/or |
8 | | * modify it under the terms of the GNU Lesser General Public |
9 | | * License as published by the Free Software Foundation; either |
10 | | * version 2.1 of the License, or (at your option) any later version. |
11 | | * |
12 | | * This library is distributed in the hope that it will be useful, |
13 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | | * Lesser General Public License for more details. |
16 | | * |
17 | | * You should have received a copy of the GNU Lesser General |
18 | | * Public License along with this library; if not, see <http://www.gnu.org/licenses/>. |
19 | | * |
20 | | * Author: David Zeuthen <davidz@redhat.com> |
21 | | */ |
22 | | |
23 | | #include "config.h" |
24 | | |
25 | | #include "gdbusobject.h" |
26 | | #include "gdbusinterface.h" |
27 | | |
28 | | #include "glibintl.h" |
29 | | |
30 | | /** |
31 | | * GDBusInterface: |
32 | | * |
33 | | * Base type for D-Bus interfaces. |
34 | | * |
35 | | * The `GDBusInterface` type is the base type for D-Bus interfaces both |
36 | | * on the service side (see [class@Gio.DBusInterfaceSkeleton]) and client side |
37 | | * (see [class@Gio.DBusProxy]). |
38 | | * |
39 | | * Since: 2.30 |
40 | | */ |
41 | | |
42 | | typedef GDBusInterfaceIface GDBusInterfaceInterface; |
43 | | G_DEFINE_INTERFACE (GDBusInterface, g_dbus_interface, G_TYPE_OBJECT) |
44 | | |
45 | | static void |
46 | | g_dbus_interface_default_init (GDBusInterfaceIface *iface) |
47 | 0 | { |
48 | 0 | } |
49 | | |
50 | | /* ---------------------------------------------------------------------------------------------------- */ |
51 | | |
52 | | /** |
53 | | * g_dbus_interface_get_info: |
54 | | * @interface_: An exported D-Bus interface. |
55 | | * |
56 | | * Gets D-Bus introspection information for the D-Bus interface |
57 | | * implemented by @interface_. |
58 | | * |
59 | | * Returns: (transfer none): A #GDBusInterfaceInfo. Do not free. |
60 | | * |
61 | | * Since: 2.30 |
62 | | */ |
63 | | GDBusInterfaceInfo * |
64 | | g_dbus_interface_get_info (GDBusInterface *interface_) |
65 | 0 | { |
66 | 0 | g_return_val_if_fail (G_IS_DBUS_INTERFACE (interface_), NULL); |
67 | 0 | return G_DBUS_INTERFACE_GET_IFACE (interface_)->get_info (interface_); |
68 | 0 | } |
69 | | |
70 | | /** |
71 | | * g_dbus_interface_get_object: (skip) |
72 | | * @interface_: An exported D-Bus interface |
73 | | * |
74 | | * Gets the #GDBusObject that @interface_ belongs to, if any. |
75 | | * |
76 | | * It is not safe to use the returned object if @interface_ or |
77 | | * the returned object is being used from other threads. See |
78 | | * g_dbus_interface_dup_object() for a thread-safe alternative. |
79 | | * |
80 | | * Returns: (nullable) (transfer none): A #GDBusObject or %NULL. The returned |
81 | | * reference belongs to @interface_ and should not be freed. |
82 | | * |
83 | | * Since: 2.30 |
84 | | */ |
85 | | GDBusObject * |
86 | | g_dbus_interface_get_object (GDBusInterface *interface_) |
87 | 0 | { |
88 | 0 | g_return_val_if_fail (G_IS_DBUS_INTERFACE (interface_), NULL); |
89 | 0 | return G_DBUS_INTERFACE_GET_IFACE (interface_)->get_object (interface_); |
90 | 0 | } |
91 | | |
92 | | /** |
93 | | * g_dbus_interface_dup_object: (rename-to g_dbus_interface_get_object) |
94 | | * @interface_: An exported D-Bus interface. |
95 | | * |
96 | | * Gets the #GDBusObject that @interface_ belongs to, if any. |
97 | | * |
98 | | * Returns: (nullable) (transfer full): A #GDBusObject or %NULL. The returned |
99 | | * reference should be freed with g_object_unref(). |
100 | | * |
101 | | * Since: 2.32 |
102 | | */ |
103 | | GDBusObject * |
104 | | g_dbus_interface_dup_object (GDBusInterface *interface_) |
105 | 0 | { |
106 | 0 | GDBusObject *ret; |
107 | 0 | g_return_val_if_fail (G_IS_DBUS_INTERFACE (interface_), NULL); |
108 | 0 | if (G_LIKELY (G_DBUS_INTERFACE_GET_IFACE (interface_)->dup_object != NULL)) |
109 | 0 | { |
110 | 0 | ret = G_DBUS_INTERFACE_GET_IFACE (interface_)->dup_object (interface_); |
111 | 0 | } |
112 | 0 | else |
113 | 0 | { |
114 | 0 | g_warning ("No dup_object() vfunc on type %s - using get_object() in a way that is not thread-safe.", |
115 | 0 | g_type_name_from_instance ((GTypeInstance *) interface_)); |
116 | 0 | ret = G_DBUS_INTERFACE_GET_IFACE (interface_)->get_object (interface_); |
117 | 0 | if (ret != NULL) |
118 | 0 | g_object_ref (ret); |
119 | 0 | } |
120 | 0 | return ret; |
121 | 0 | } |
122 | | |
123 | | /** |
124 | | * g_dbus_interface_set_object: |
125 | | * @interface_: An exported D-Bus interface. |
126 | | * @object: (nullable): A #GDBusObject or %NULL. |
127 | | * |
128 | | * Sets the #GDBusObject for @interface_ to @object. |
129 | | * |
130 | | * Note that @interface_ will hold a weak reference to @object. |
131 | | * |
132 | | * Since: 2.30 |
133 | | */ |
134 | | void |
135 | | g_dbus_interface_set_object (GDBusInterface *interface_, |
136 | | GDBusObject *object) |
137 | 0 | { |
138 | 0 | g_return_if_fail (G_IS_DBUS_INTERFACE (interface_)); |
139 | 0 | g_return_if_fail (object == NULL || G_IS_DBUS_OBJECT (object)); |
140 | 0 | G_DBUS_INTERFACE_GET_IFACE (interface_)->set_object (interface_, object); |
141 | 0 | } |